emu in blogjava

if (window.Event){ // ?修正Event的DOM
???? /*
????????????????????????????????IE5????????MacIE5????????Mozilla????????Konqueror2.2????????Opera5
????event????????????????????????yes????????yes????????????yes????????????yes????????????????????yes
????event.returnValue????????????yes????????yes????????????no????????????no????????????????????no
????event.cancelBubble????????????yes????????yes????????????no????????????no????????????????????no
????event.srcElement????????????yes????????yes????????????no????????????no????????????????????no
????event.fromElement????????????yes????????yes????????????no????????????no????????????????????no
????
???? */
????Event.prototype.__defineSetter__( " returnValue " , function (b){ // ?
???????? if ( ! b) this .preventDefault();
???????? return ?b;
????????});
????Event.prototype.__defineSetter__( " cancelBubble " , function (b){ // ?設(shè)置或者檢索當(dāng)前事件句柄的層次冒泡
???????? if (b) this .stopPropagation();
???????? return ?b;
????????});
????Event.prototype.__defineGetter__( " srcElement " , function (){
???????? var ?node = this .target;
???????? while (node.nodeType != 1 )node = node.parentNode;
???????? return ?node;
????????});
????Event.prototype.__defineGetter__( " fromElement " , function (){ // ?返回鼠標(biāo)移出的源節(jié)點(diǎn)
???????? var ?node;
???????? if ( this .type == " mouseover " )
????????????node = this .relatedTarget;
???????? else ? if ( this .type == " mouseout " )
????????????node = this .target;
???????? if ( ! node) return ;
???????? while (node.nodeType != 1 )node = node.parentNode;
???????? return ?node;
????????});
????Event.prototype.__defineGetter__( " toElement " , function (){ // ?返回鼠標(biāo)移入的源節(jié)點(diǎn)
???????? var ?node;
???????? if ( this .type == " mouseout " )
????????????node = this .relatedTarget;
???????? else ? if ( this .type == " mouseover " )
????????????node = this .target;
???????? if ( ! node) return ;
???????? while (node.nodeType != 1 )node = node.parentNode;
???????? return ?node;
????????});
????Event.prototype.__defineGetter__( " offsetX " , function (){
???????? return ? this .layerX;
????????});
????Event.prototype.__defineGetter__( " offsetY " , function (){
???????? return ? this .layerY;
????????});
????}
if (window.Document){ // ?修正Document的DOM
???? /*
????????????????????????????????IE5????????MacIE5????????Mozilla????????Konqueror2.2????????Opera5
????document.documentElement????yes????????yes????????????yes????????????yes????????????????????no
????document.activeElement????????yes????????null????????no????????????no????????????????????no
????
???? */
????}
if (window.Node){ // ?修正Node的DOM
???? /*
????????????????????????????????IE5????????MacIE5????????Mozilla????????Konqueror2.2????????Opera5
????Node.contains????????????????yes????????yes????????????no????????????no????????????????????yes
????Node.replaceNode????????????yes????????no????????????no????????????no????????????????????no
????Node.removeNode????????????????yes????????no????????????no????????????no????????????????????no
????Node.children????????????????yes????????yes????????????no????????????no????????????????????no
????Node.hasChildNodes????????????yes????????yes????????????yes????????????yes????????????????????no
????Node.childNodes????????????????yes????????yes????????????yes????????????yes????????????????????no
????Node.swapNode????????????????yes????????no????????????no????????????no????????????????????no
????Node.currentStyle????????????yes????????yes????????????no????????????no????????????????????no
????
???? */
????Node.prototype.replaceNode = function (Node){ // ?替換指定節(jié)點(diǎn)
???????? this .parentNode.replaceChild(Node, this );
????????}
????Node.prototype.removeNode = function (removeChildren){ // ?刪除指定節(jié)點(diǎn)
???????? if (removeChildren)
???????????? return ? this .parentNode.removeChild( this );
???????? else {
???????????? var ?range = document.createRange();
????????????range.selectNodeContents( this );
???????????? return ? this .parentNode.replaceChild(range.extractContents(), this );
????????????}
????????}
????Node.prototype.swapNode = function (Node){ // ?交換節(jié)點(diǎn)
???????? var ?nextSibling = this .nextSibling;
???????? var ?parentNode = this .parentNode;
????????node.parentNode.replaceChild( this ,Node);
????????parentNode.insertBefore(node,nextSibling);
????????}
????}
if (window.HTMLElement){
????HTMLElement.prototype.__defineGetter__( " all " , function (){
???????? var ?a = this .getElementsByTagName( " * " );
???????? var ?node = this ;
????????a.tags = function (sTagName){
???????????? return ?node.getElementsByTagName(sTagName);
????????????}
???????? return ?a;
????????});
????HTMLElement.prototype.__defineGetter__( " parentElement " , function (){
???????? if ( this .parentNode == this .ownerDocument) return ? null ;
???????? return ? this .parentNode;
????????});
????HTMLElement.prototype.__defineGetter__( " children " , function (){
???????? var ?tmp = [];
???????? var ?j = 0 ;
???????? var ?n;
???????? for ( var ?i = 0 ;i < this .childNodes.length;i ++ ){
????????????n = this .childNodes[i];
???????????? if (n.nodeType == 1 ){
????????????????tmp[j ++ ] = n;
???????????????? if (n.name){
???????????????????? if ( ! tmp[n.name])
????????????????????????tmp[n.name] = [];
????????????????????tmp[n.name][tmp[n.name].length] = n;
????????????????????}
???????????????? if (n.id)
????????????????????tmp[n.id] = n;
????????????????}
????????????}
???????? return ?tmp;
????????});
????HTMLElement.prototype.__defineGetter__( " currentStyle " ,? function (){
???????? return ? this .ownerDocument.defaultView.getComputedStyle( this , null );
????????});
????HTMLElement.prototype.__defineSetter__( " outerHTML " , function (sHTML){
???????? var ?r = this .ownerDocument.createRange();
????????r.setStartBefore( this );
???????? var ?df = r.createContextualFragment(sHTML);
???????? this .parentNode.replaceChild(df, this );
???????? return ?sHTML;
????????});
????HTMLElement.prototype.__defineGetter__( " outerHTML " , function (){
???????? var ?attr;
???????? var ?attrs = this .attributes;
???????? var ?str = " < " + this .tagName;
???????? for ( var ?i = 0 ;i < attrs.length;i ++ ){
????????????attr = attrs[i];
???????????? if (attr.specified)
????????????????str += " ? " + attr.name + ' = " '+attr.value+' " ';
????????????}
???????? if ( ! this .canHaveChildren)
???????????? return ?str + " > " ;
???????? return ?str + " > " + this .innerHTML + " </ " + this .tagName + " > " ;
????????});
????HTMLElement.prototype.__defineGetter__( " canHaveChildren " , function (){
???????? switch ( this .tagName.toLowerCase()){
???????????? case ? " area " :
???????????? case ? " base " :
???????????? case ? " basefont " :
???????????? case ? " col " :
???????????? case ? " frame " :
???????????? case ? " hr " :
???????????? case ? " img " :
???????????? case ? " br " :
???????????? case ? " input " :
???????????? case ? " isindex " :
???????????? case ? " link " :
???????????? case ? " meta " :
???????????? case ? " param " :
???????????????? return ? false ;
????????????}
???????? return ? true ;
????????});
?
????HTMLElement.prototype.__defineSetter__( " innerText " , function (sText){
???????? var ?parsedText = document.createTextNode(sText);
???????? this .innerHTML = parsedText;
???????? return ?parsedText;
????????});
????HTMLElement.prototype.__defineGetter__( " innerText " , function (){
???????? var ?r = this .ownerDocument.createRange();
????????r.selectNodeContents( this );
???????? return ?r.toString();
????????});
????HTMLElement.prototype.__defineSetter__( " outerText " , function (sText){
???????? var ?parsedText = document.createTextNode(sText);
???????? this .outerHTML = parsedText;
???????? return ?parsedText;
????????});
????HTMLElement.prototype.__defineGetter__( " outerText " , function (){
???????? var ?r = this .ownerDocument.createRange();
????????r.selectNodeContents( this );
???????? return ?r.toString();
????????});
????HTMLElement.prototype.attachEvent = function (sType,fHandler){
???????? var ?shortTypeName = sType.replace( / on / , "" );
????????fHandler._ieEmuEventHandler = function (e){
????????????window.event = e;
???????????? return ?fHandler();
????????????}
???????? this .addEventListener(shortTypeName,fHandler._ieEmuEventHandler, false );
????????}
????HTMLElement.prototype.detachEvent = function (sType,fHandler){
???????? var ?shortTypeName = sType.replace( / on / , "" );
???????? if ( typeof (fHandler._ieEmuEventHandler) == " function " )
???????????? this .removeEventListener(shortTypeName,fHandler._ieEmuEventHandler, false );
???????? else
???????????? this .removeEventListener(shortTypeName,fHandler, true );
????????}
????HTMLElement.prototype.contains = function (Node){ // ?是否包含某節(jié)點(diǎn)
???????? do ? if (Node == this ) return ? true ;
???????? while (Node = Node.parentNode);
???????? return ? false ;
????????}
????HTMLElement.prototype.insertAdjacentElement = function (where,parsedNode){
???????? switch (where){
???????????? case ? " beforeBegin " :
???????????????? this .parentNode.insertBefore(parsedNode, this );
???????????????? break ;
???????????? case ? " afterBegin " :
???????????????? this .insertBefore(parsedNode, this .firstChild);
???????????????? break ;
???????????? case ? " beforeEnd " :
???????????????? this .appendChild(parsedNode);
???????????????? break ;
???????????? case ? " afterEnd " :
???????????????? if ( this .nextSibling)
???????????????????? this .parentNode.insertBefore(parsedNode, this .nextSibling);
???????????????? else
???????????????????? this .parentNode.appendChild(parsedNode);
???????????????? break ;
????????????}
????????}
????HTMLElement.prototype.insertAdjacentHTML = function (where,htmlStr){
???????? var ?r = this .ownerDocument.createRange();
????????r.setStartBefore( this );
???????? var ?parsedHTML = r.createContextualFragment(htmlStr);
???????? this .insertAdjacentElement(where,parsedHTML);
????????}
????HTMLElement.prototype.insertAdjacentText = function (where,txtStr){
???????? var ?parsedText = document.createTextNode(txtStr);
???????? this .insertAdjacentElement(where,parsedText);
????????}
????HTMLElement.prototype.attachEvent = function (sType,fHandler){
???????? var ?shortTypeName = sType.replace( / on / , "" );
????????fHandler._ieEmuEventHandler = function (e){
????????????window.event = e;
???????????? return ?fHandler();
????????????}
???????? this .addEventListener(shortTypeName,fHandler._ieEmuEventHandler, false );
????????}
????HTMLElement.prototype.detachEvent = function (sType,fHandler){
???????? var ?shortTypeName = sType.replace( / on / , "" );
???????? if ( typeof (fHandler._ieEmuEventHandler) == " function " )
???????????? this .removeEventListener(shortTypeName,fHandler._ieEmuEventHandler, false );
???????? else
???????????? this .removeEventListener(shortTypeName,fHandler, true );
????????}
????}